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Shareowners' Equity and Noncontrolling Interest (Summary of Changes in Shareowners' Equity and Noncontrolling Interest) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Shareowners' Equity, beginning of period | $ 28,442 | $ 29,090 | $ 27,579 | $ 27,358
Noncontrolling interest, beginning of period | 1,713 | 1,558 | 1,590 | 1,486
Total Equity, beginning of period | 30,155 | 30,648 | 29,169 | 28,844
Net income, Shareowners' Equity | 1,330 | 1,480 | 4,155 | 4,042
Net Income, Noncontrolling Interest | 104 | 91 | 279 | 271
Net income, Total Equity | 1,434 | 1,571 | 4,434 | 4,313
Total other comprehensive income (loss), Shareowners' Equity | 637 | (245) | 1,007 | (110)
Total other comprehensive income (loss), Noncontrolling Interest | 40 | 5 | 83 | 16
Total other comprehensive income (loss) | 677 | (240) | 1,090 | (94)
Total comprehensive income for the period, Shareowners' Equity | 1,967 | 1,235 | 5,162 | 3,932
Total comprehensive income for the period, Noncontrolling Interest | 144 | 96 | 362 | 287
Total comprehensive income for the period, Total Equity | 2,111 | 1,331 | 5,524 | 4,219
Common Stock issued under employee plans | 86 | 54 | 256 | 200
Common Stock repurchased | 60 | 649 | 1,430 | 685
Dividends on Common Stock | 533 | 526 | 1,541 | 1,561
Dividends on ESOP Common Stock | 19 | 19 | 54 | 56
Dividends attributable to noncontrolling interest | 51 | 129 | 120 | 270
Sale of subsidiary shares from noncontrolling interest, net | (14) | (24) | (8) | (17)
Acquisition of noncontrolling interest | 14 | 29 | 14 | 63
Redeemable noncontrolling interest fair value adjustment | 4 | 0 | 99 | 0
Other | 22 | (1) | 36 | 7
Shareowners' Equity, end of period | 29,881 | 29,187 | 29,881 | 29,187
Noncontrolling interest, end of period | 1,810 | 1,577 | 1,810 | 1,577
Total Equity, end of period | 31,691 | 30,764 | 31,691 | 30,764
Shareowners' Equity |  |  |  |
Sale of subsidiary shares from noncontrolling interest, net | (5) | (2) | (4) | 4
Redeemable noncontrolling interest fair value adjustment | 4 | 0 | 99 |
Other | 3 | 0 | (4) | (3)
Noncontrolling Interest |  |  |  |
Sale of subsidiary shares from noncontrolling interest, net | (9) | (22) | (4) | (21)
Redeemable noncontrolling interest fair value adjustment | 0 | 0 | 0 | 0
Other | $ 19 | $ (1) | $ 40 | $ 10

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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